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Discussion of Problem 1861. Graveyard in Deyja

Why 1?
Posted by hatred 14 Oct 2011 21:00
In 2 sample:

Arch?????rchibaldIronfist
Archibald

but we can put Archibald from 1st position and from 9th position. Why answer is 1?
Re: Why 1?
Posted by morbidel 14 Oct 2011 21:20
Because it cannot appear on BOTH 1 and 9 positions.